Question: g. find the standard deviation h. Find the appropriate process capability index for the process if the lower and upper specification limits are 8 to

g. find the standard deviation

h. Find the appropriate process capability index for the process if the lower and upper specification limits are 8 to 20."

i. What is your interpretation of the capability index?

Sample # Obs.1 Obs.2 Obs.3 Obs.4 Obs.5 x R
1 15 17 16 17 14
2 16 16 9 14 15
3 17 17 15 15 14
4 18 15 16 16 16
5 13 15 17 16 19
6 10 15 11 17 18
7 15 15 14 14 16
8 14 13 12 15 14
9 15 18 18 12 10
10 12 12 15 15

16

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